| Used Operating Systems |
| 1 | 19351 | 36.36 | 203 | 1.94 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 16907 | 31.77 | 4657 | 44.42 | Windows NT |
| 3 | 4331 | 8.14 | 3145 | 30.00 | +http://www.baidu.com/search/spider.html |
| 4 | 2974 | 5.59 | 141 | 1.34 | Windows 98 |
| 5 | 2597 | 4.88 | 1176 | 11.22 | +http://www.easou.com/search/spider.html |
| 6 | 1541 | 2.90 | 12 | 0.11 | +http://www.warebay.com/bot.html |
| 7 | 1470 | 2.76 | 218 | 2.08 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 1048 | 1.97 | 14 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 9 | 763 | 1.43 | 172 | 1.64 | +http://yandex.com/bots |
| 10 | 653 | 1.23 | 241 | 2.30 | +http://www.bing.com/bingbot.htm |
| 11 | 633 | 1.19 | 180 | 1.72 | +http://www.linkdex.com/bots/ |
| 12 | 328 | 0.62 | 83 | 0.79 | +http://www.google.com/bot.html |
| 13 | 121 | 0.23 | 31 | 0.30 | +http://www.exabot.com/go/robot |
| 14 | 101 | 0.19 | 24 | 0.23 | +http://ahrefs.com/robot/ |
| 15 | 96 | 0.18 | 3 | 0.03 | http://crawler.sistrix.net/ |
| 16 | 76 | 0.14 | 65 | 0.62 | Windows 95 |
| 17 | 33 | 0.06 | 9 | 0.09 | X11 |
| 18 | 17 | 0.03 | 3 | 0.03 | Android 2.3.5 |
| 19 | 16 | 0.03 | 14 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 20 | 15 | 0.03 | 15 | 0.14 | Windows 2000 |
| 21 | 14 | 0.03 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 14 | 0.03 | 1 | 0.01 | +http://www.linkpad.ru |
| 23 | 13 | 0.02 | 12 | 0.11 | Windows ME |
| 24 | 11 | 0.02 | 6 | 0.06 | Linux i686 [unknown version] |
| 25 | 10 | 0.02 | 7 | 0.07 | Windows XP |
| 26 | 10 | 0.02 | 10 | 0.10 | Windows 3.1 |
| 27 | 9 | 0.02 | 9 | 0.09 | Windows CE |
| 28 | 9 | 0.02 | 3 | 0.03 | Linux [unknown version] |
| 29 | 8 | 0.02 | 7 | 0.07 | +info@netcraft.com |
| 30 | 7 | 0.01 | 7 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 31 | 5 | 0.01 | 1 | 0.01 | +http://freedlf.com/ |
| 32 | 5 | 0.01 | 1 | 0.01 | +http://u12files.com/ |
| 33 | 4 | 0.01 | 1 | 0.01 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 34 | 4 | 0.01 | 1 | 0.01 | +http://spider.socialbm.net |
| 35 | 3 | 0.01 | 1 | 0.01 | +http://inload.in |
| 36 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 37 | 2 | 0.00 | 1 | 0.01 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 38 | 2 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 39 | 2 | 0.00 | 2 | 0.02 | +http://wmaid.com/explore/ |
| 40 | 2 | 0.00 | 2 | 0.02 | +http://www.loadtime.net/bot.html |
| 41 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 1 | 0.00 | 1 | 0.01 | http://www.lipperhey.com/ |
| 43 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 44 | 1 | 0.00 | 1 | 0.01 | +http://136.186.231.16 |
| 45 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 46 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 47 | 1 | 0.00 | 1 | 0.01 | actually this is http://ismyblogworking.... |
| 48 | 1 | 0.00 | 1 | 0.01 | +http://monoid.nic.ru/ |
